| The central content of the thesis is a part of the research task on Beijing Spectrometer(BES) â…¢Data Acquisition System(DAQ). It realizes the monitoring of Data Flow Information. After updated and rebuilt, the BES â…¢DAQ exert computer and network technology on a large scale. Since the system dimensions is very large, much up to date technology is adopted in the design, the data processing needs multilevel amortization, the bandwidth of transfer data needs high performance, the running expenditure is expensive and other reasons, it is necessary to monitor and analyze the running status. This thesis, based on the study of DAQ's operational principle, brings forward and realize the design project of the Data Flow information monitoring system. The main work of the thesis are the followings. ï¹’introducing the thesis background, that is to say, the elementary theory and primary method concerned to the thesis through Beijing Electron Position Collider to research particle physics experiment. ï¹’analyzing the demand of the Data Flow information monitoring system and put forward the whole design project according to the design demand of the DAQ. ï¹’programming and realizing the Data Flow information monitoring system: reading out the information and storing them to the database MySQL by C and C++ programming language; designing the user interface and displaying the information by Html and PHP Web programming language. ï¹’some advices to improve the monitoring system are given at the end of the thesis. After testing, the Data Flow information monitoring system satisfies the design demand and runs very well. It attains its goals completely.
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